Four years ago, I promised to end the war in Iraq. We did. I promised to refocus on the terrorists who actually attacked us on 9/11. We have. We've blunted the Taliban's momentum in Afghanistan, and in 2014, our longest war will be over. A new tower rises above the New York skyline, al Qaeda is on the path to defeat, and Osama bin Laden is dead.

I think that Donald Trump is coming to this office with fewer set hard-and-fast policy prescriptions than a lot of other presidents might be arriving with.

I don't think [pot] is more dangerous than alcohol.

By 2016, the people who had looked to [Barack] Obama for change were looking somewhere else.

Many of our ideas of democracy, so much of our literature and philosophy and science can be traced back to roots right here in Athens.

It would be naive of me to suggest that with Russia committed militarily, as it is, to supporting what in many cases are barbarous tactics by the Assad regime to crush the opposition.

We still have sanctions on Iran for its violations of human rights, for its support of terrorism and for its ballistic missile program. And we will continue to enforce these sanctions vigorously. Iran's recent missile test, for example, was a violation of its international obligations.